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1par Camps Miriam, Spinelli Altiero, Dahrendorf Ralf, Haasis Ernst, Deutsch Karl Wolfgang, Pinder John, Lundgren Nils, Hansen Roger, Taylor Paul, Coombes David, Olmi Giancarlo, Lindberg Leon, Scheingold Stuart, Wallace Helen, Brinkhorst Laurens Jan, Inglehart Ronald F., Rose Arnold, Sidjanski Dusan, Feld Werner
Penguin Books 1972Livre -
2University press of America 1986Livre